diff --git a/common/include/villas/hist.hpp b/common/include/villas/hist.hpp
index 11adef22d..33fa4549c 100644
--- a/common/include/villas/hist.hpp
+++ b/common/include/villas/hist.hpp
@@ -61,7 +61,7 @@ public:
 	double getStddev() const;
 
 	/** Print all statistical properties of distribution including a graphilcal plot of the histogram. */
-	void print(const int details) const;
+	void print(bool details) const;
 
 	/** Print ASCII style plot of histogram */
 	void plot() const;
diff --git a/common/lib/hist.cpp b/common/lib/hist.cpp
index 888410ab4..fc710e7ab 100644
--- a/common/lib/hist.cpp
+++ b/common/lib/hist.cpp
@@ -129,7 +129,7 @@ double Hist::getStddev() const
 	return sqrt(getVar());
 }
 
-void Hist::print(int details) const
+void Hist::print(bool details) const
 {
 	if (total > 0) {
 		Hist::cnt_t missed = total - higher - lower;
@@ -142,7 +142,7 @@ void Hist::print(int details) const
 		info("Variance: %g", getVar());
 		info("Stddev:   %g", getStddev());
 
-		if (details > 0 && total - higher - lower > 0) {
+		if (details && total - higher - lower > 0) {
 			char *buf =dump();
 			info("Matlab: %s", buf);
 			free(buf);