diff --git a/debian/rules b/debian/rules
index 2f9ef74c..f5876b0c 100755
--- a/debian/rules
+++ b/debian/rules
@@ -15,7 +15,7 @@ GCC_VERSION              := $(subst /usr/bin/g++-,,$(GXX_VERSIONED_EXECUTABLE))
 LLVM_EPOCH := 1:
 LLVM_VERSION   := $(shell dpkg-parsechangelog | sed -rne "s,^Version: 1:([0-9]+).*,\1,p")
 LLVM_VERSION_FULL := $(shell dpkg-parsechangelog | sed -rne "s,^Version: 1:([0-9.]+)(~|-)(.*),\1,p")
-LLVM_VERSION_MINOR := $(shell dpkg-parsechangelog | sed -rne "s,^Version: 1:[0-9]+\.(.*)\..*,\1,p")
+LLVM_VERSION_MINOR := $(shell dpkg-parsechangelog | sed -rne "s,^Version: 1:[0-9]+\.([0-9]+)\.[0-9]+.*,\1,p")
 LLVM_VERSION_SNAPSHOT := $(shell dpkg-parsechangelog | sed -rne "s,^Version: 1:(.*),\1,p")
 ifeq ($(LLVM_VERSION),$(LLVM_VERSION_FULL))
 	LLVM_VERSION_FULL := $(LLVM_VERSION).0.0