diff --git a/Makefile.vars b/Makefile.vars
index e513c92..1db9e68 100755
--- a/Makefile.vars
+++ b/Makefile.vars
@@ -114,9 +114,8 @@ $(eval $(call get-binary-libs,$(bin))))
 
 # Look for their sources
 define get-binary-sources
- SRC_$1 := $(shell find $(SRCDIR)/$1 \
-       -mindepth 1 -name "*.c" \
-       -printf "%P\n" | sort)
+ SRC_$1 := $(patsubst $(SRCDIR)/$1/%,%,$(shell find $(SRCDIR)/$1 \
+       -mindepth 1 -name "*.c" | sort))
 
 # - get the flags
  CFLAGS_$1 := $(CFLAGS) $(shell $(PKGCONFIG) $(LIBS_$1) --cflags 2>/dev/null) \
@@ -138,8 +137,8 @@ define check-man
  MAN_SECTIONS += $1
  MAN_$1 += $2
 endef
-$(foreach doc, $(basename $(shell find $(DOCDIR) \
- -maxdepth 1 -mindepth 1 -printf "%P\n" -type f -or -type l -name "*.*.txt")), \
+$(foreach doc, $(basename $(patsubst $(DOCDIR)/%,%,$(shell find $(DOCDIR) \
+ -maxdepth 1 -mindepth 1 -type f -or -type l -name "*.*.txt"))), \
 $(eval $(call check-man,$(patsubst .%,%,$(suffix $(doc))),$(basename $(doc)))))
 
 # Remove duplicate sections.