diff --git a/epiworld.hpp b/epiworld.hpp
index 9a258db8..7c368b07 100644
--- a/epiworld.hpp
+++ b/epiworld.hpp
@@ -2243,7 +2243,15 @@ inline void LFMCMC<TData>::print(size_t burnin) const
     for (auto & n : summ_params)
     {
         
-        int tmp_nchar = std::floor(std::log10(std::abs(n)));
+        int tmp_nchar;
+        
+        if (n == 0) {
+            // std::log10 will return -inf and throw a runtime error
+            tmp_nchar = s;
+        } else {
+            tmp_nchar = std::floor(std::log10(std::abs(n)));
+        }
+
         if (nchar_par_num < tmp_nchar)
             nchar_par_num = tmp_nchar;
     }
@@ -2311,7 +2319,14 @@ inline void LFMCMC<TData>::print(size_t burnin) const
     int nchar = 0;
     for (auto & s : summ_stats)
     {
-        int tmp_nchar = std::floor(std::log10(std::abs(s)));
+        int tmp_nchar;
+        if (s == 0) {
+            // std::log10 will return -inf and throw a runtime error
+            tmp_nchar = s;
+        } else {
+            tmp_nchar = std::floor(std::log10(std::abs(s)));
+        }
+    
         if (nchar < tmp_nchar)
             nchar = tmp_nchar;
     }
diff --git a/include/epiworld/math/lfmcmc/lfmcmc-meat-print.hpp b/include/epiworld/math/lfmcmc/lfmcmc-meat-print.hpp
index 6a658ab5..c33a7b61 100755
--- a/include/epiworld/math/lfmcmc/lfmcmc-meat-print.hpp
+++ b/include/epiworld/math/lfmcmc/lfmcmc-meat-print.hpp
@@ -93,7 +93,15 @@ inline void LFMCMC<TData>::print(size_t burnin) const
     for (auto & n : summ_params)
     {
         
-        int tmp_nchar = std::floor(std::log10(std::abs(n)));
+        int tmp_nchar;
+        
+        if (n == 0) {
+            // std::log10 will return -inf and throw a runtime error
+            tmp_nchar = s;
+        } else {
+            tmp_nchar = std::floor(std::log10(std::abs(n)));
+        }
+
         if (nchar_par_num < tmp_nchar)
             nchar_par_num = tmp_nchar;
     }
@@ -161,7 +169,14 @@ inline void LFMCMC<TData>::print(size_t burnin) const
     int nchar = 0;
     for (auto & s : summ_stats)
     {
-        int tmp_nchar = std::floor(std::log10(std::abs(s)));
+        int tmp_nchar;
+        if (s == 0) {
+            // std::log10 will return -inf and throw a runtime error
+            tmp_nchar = s;
+        } else {
+            tmp_nchar = std::floor(std::log10(std::abs(s)));
+        }
+    
         if (nchar < tmp_nchar)
             nchar = tmp_nchar;
     }