diff --git a/make/projects.mk b/make/projects.mk
index 5d2c91c1..1fded724 100644
--- a/make/projects.mk
+++ b/make/projects.mk
@@ -31,7 +31,7 @@ ifneq ($(PYTHON_VERSION),)
   PYTHON                    := /usr/bin/python$(PYTHON_VERSION)
 else
   ifeq ($(PYTHON),)
-    PYTHON                  := $(lastword $(shell ls -v /usr/bin/python[0-9]*))
+    PYTHON                  := $(lastword $(shell ls -v /usr/bin/python[0-9].[0-9]))
   endif
   PYTHON_VERSION            ?= $(patsubst python%,%,$(notdir $(PYTHON)))
 endif
diff --git a/make/py-defs.mk b/make/py-defs.mk
index 6cb92979..9931c480 100644
--- a/make/py-defs.mk
+++ b/make/py-defs.mk
@@ -4,7 +4,7 @@ ifneq ($(PYTHON_VERSION),)
   PYTHON                    := /usr/bin/python$(PYTHON_VERSION)
 else
   ifeq ($(PYTHON),)
-    PYTHON                  := $(lastword $(shell ls -v /usr/bin/python[0-9]*))
+    PYTHON                  := $(lastword $(shell ls -v /usr/bin/python[0-9].[0-9]))
   endif
   PYTHON_VERSION            ?= $(patsubst python%,%,$(notdir $(PYTHON)))
 endif