diff --git a/src/de/schildbach/pte/BahnProvider.java b/src/de/schildbach/pte/BahnProvider.java
index 16a45b94..02b648bd 100644
--- a/src/de/schildbach/pte/BahnProvider.java
+++ b/src/de/schildbach/pte/BahnProvider.java
@@ -511,7 +511,7 @@ public final class BahnProvider implements NetworkProvider
 	}
 
 	private static final Pattern P_NORMALIZE_LINE_NUMBER = Pattern.compile("\\d{2,5}");
-	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßéèêáàâóòô]+)[\\s-]*(.*)");
+	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßáàâéèêíìîóòôúùû]+)[\\s-]*(.*)");
 	private static final Pattern P_NORMALIZE_LINE_RUSSIA = Pattern.compile("(?:D\\s*)?(\\d{1,3}[A-Z]{2})");
 	private static final Pattern P_NORMALIZE_LINE_SBAHN = Pattern.compile("S\\w*\\d+");
 
diff --git a/src/de/schildbach/pte/OebbProvider.java b/src/de/schildbach/pte/OebbProvider.java
index 0feb26f2..d5318151 100644
--- a/src/de/schildbach/pte/OebbProvider.java
+++ b/src/de/schildbach/pte/OebbProvider.java
@@ -475,7 +475,7 @@ public class OebbProvider implements NetworkProvider
 		}
 	}
 
-	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßéèêáàâóòô]+)[\\s-]*(.*)");
+	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßáàâéèêíìîóòôúùû]+)[\\s-]*(.*)");
 
 	private static String normalizeLine(final String type, final String line)
 	{
diff --git a/src/de/schildbach/pte/RmvProvider.java b/src/de/schildbach/pte/RmvProvider.java
index 6fd55ee2..2d38d83d 100644
--- a/src/de/schildbach/pte/RmvProvider.java
+++ b/src/de/schildbach/pte/RmvProvider.java
@@ -489,7 +489,7 @@ public class RmvProvider implements NetworkProvider
 		return new Departure(parsed.getTime(), line, line != null ? LINES.get(line.charAt(0)) : null, 0, destination);
 	}
 
-	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßéèêáàâóòô]+)[\\s-]*(.*)");
+	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßáàâéèêíìîóòôúùû]+)[\\s-]*(.*)");
 
 	private static String normalizeLine(final String line)
 	{
diff --git a/src/de/schildbach/pte/SbbProvider.java b/src/de/schildbach/pte/SbbProvider.java
index 5b2318d2..073ed526 100644
--- a/src/de/schildbach/pte/SbbProvider.java
+++ b/src/de/schildbach/pte/SbbProvider.java
@@ -455,7 +455,7 @@ public class SbbProvider implements NetworkProvider
 		}
 	}
 
-	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßéèêáàâóòô]+)[\\s-]*(.*)");
+	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßáàâéèêíìîóòôúùû]+)[\\s-]*(.*)");
 
 	private static String normalizeLine(final String type, final String line)
 	{
diff --git a/src/de/schildbach/pte/VbbProvider.java b/src/de/schildbach/pte/VbbProvider.java
index 5945bc95..5628b458 100644
--- a/src/de/schildbach/pte/VbbProvider.java
+++ b/src/de/schildbach/pte/VbbProvider.java
@@ -590,7 +590,7 @@ public final class VbbProvider implements NetworkProvider
 		}
 	}
 
-	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßéèêáàâóòô]+)[\\s-]*(.*)");
+	private static final Pattern P_NORMALIZE_LINE = Pattern.compile("([A-Za-zÄÖÜäöüßáàâéèêíìîóòôúùû]+)[\\s-]*(.*)");
 	private static final Pattern P_NORMALIZE_LINE_SPECIAL_NUMBER = Pattern.compile("\\d{4,}");
 	private static final Pattern P_NORMALIZE_LINE_SPECIAL_BUS = Pattern.compile("Bus[A-Z]");